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Code Issues Releases Wiki Activity

Use decltype instead of typedefs for function pointers

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This commit is contained in:
Birunthan Mohanathas
2014-02-28 18:35:09 +02:00
parent 27af737a3a
commit 3190fc267f
9 changed files with 55 additions and 73 deletions
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4
Library/Litestep.cpp
View File

@@ -58,14 +58,12 @@ std::wstring GetFormattedString(UINT id, ...)
HICON GetIcon(UINT id, bool large)
{
typedef HRESULT (WINAPI * FPLOADICONMETRIC)(HINSTANCE hinst, PCWSTR pszName, int lims, HICON* phico);
HINSTANCE hExe = GetModuleHandle(nullptr);
HINSTANCE hComctl = GetModuleHandle(L"Comctl32");
if (hComctl)
{
// Try LoadIconMetric for better quality with high DPI
FPLOADICONMETRIC loadIconMetric = (FPLOADICONMETRIC)GetProcAddress(hComctl, "LoadIconMetric");
auto loadIconMetric = (decltype(LoadIconMetric)*)GetProcAddress(hComctl, "LoadIconMetric");
if (loadIconMetric)
{
HICON icon;

8
Library/MeasureNet.cpp
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@@ -26,8 +26,8 @@ UINT MeasureNet::c_NumOfTables = 0;
std::vector<ULONG64> MeasureNet::c_StatValues;
std::vector<ULONG64> MeasureNet::c_OldStatValues;
FPGETIFTABLE2 MeasureNet::c_GetIfTable2 = nullptr;
FPFREEMIBTABLE MeasureNet::c_FreeMibTable = nullptr;
decltype(GetIfTable2)* MeasureNet::c_GetIfTable2 = nullptr;
decltype(FreeMibTable)* MeasureNet::c_FreeMibTable = nullptr;
/*
** The constructor. This is the base class for the net-meters.
@@ -694,8 +694,8 @@ void MeasureNet::InitializeStatic()
HMODULE IpHlpApiLibrary = GetModuleHandle(L"IpHlpApi.dll");
if (IpHlpApiLibrary)
{
c_GetIfTable2 = (FPGETIFTABLE2)GetProcAddress(IpHlpApiLibrary, "GetIfTable2");
c_FreeMibTable = (FPFREEMIBTABLE)GetProcAddress(IpHlpApiLibrary, "FreeMibTable");
c_GetIfTable2 = (decltype(c_GetIfTable2))GetProcAddress(IpHlpApiLibrary, "GetIfTable2");
c_FreeMibTable = (decltype(c_FreeMibTable))GetProcAddress(IpHlpApiLibrary, "FreeMibTable");
}
if (!c_GetIfTable2 || !c_FreeMibTable)

7
Library/MeasureNet.h
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@@ -24,9 +24,6 @@
#include <Iphlpapi.h>
#include "Measure.h"
typedef NETIO_STATUS (NETIOAPI_API_ * FPGETIFTABLE2)(PMIB_IF_TABLE2* Table);
typedef VOID (NETIOAPI_API_ * FPFREEMIBTABLE)(PVOID Memory);
class MeasureNet : public Measure
{
public:
@@ -75,8 +72,8 @@ private:
static BYTE* c_Table;
static UINT c_NumOfTables;
static FPGETIFTABLE2 c_GetIfTable2;
static FPFREEMIBTABLE c_FreeMibTable;
static decltype(GetIfTable2)* c_GetIfTable2;
static decltype(FreeMibTable)* c_FreeMibTable;
};
#endif

27
Library/MeterWindow.cpp
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@@ -64,10 +64,10 @@ enum INTERVAL
int MeterWindow::c_InstanceCount = 0;
HINSTANCE MeterWindow::c_DwmInstance = nullptr;
FPDWMENABLEBLURBEHINDWINDOW MeterWindow::c_DwmEnableBlurBehindWindow = nullptr;
FPDWMGETCOLORIZATIONCOLOR MeterWindow::c_DwmGetColorizationColor = nullptr;
FPDWMSETWINDOWATTRIBUTE MeterWindow::c_DwmSetWindowAttribute = nullptr;
FPDWMISCOMPOSITIONENABLED MeterWindow::c_DwmIsCompositionEnabled = nullptr;
decltype(DwmEnableBlurBehindWindow)* MeterWindow::c_DwmEnableBlurBehindWindow = nullptr;
decltype(DwmGetColorizationColor)* MeterWindow::c_DwmGetColorizationColor = nullptr;
decltype(DwmSetWindowAttribute)* MeterWindow::c_DwmSetWindowAttribute = nullptr;
decltype(DwmIsCompositionEnabled)* MeterWindow::c_DwmIsCompositionEnabled = nullptr;
/*
** Constructor
@@ -142,16 +142,17 @@ MeterWindow::MeterWindow(const std::wstring& folderPath, const std::wstring& fil
m_FontCollection(),
m_ToolTipHidden(false)
{
if (!c_DwmInstance && IsWindowsVistaOrGreater())
if (!c_DwmInstance && IsWindowsVistaOrGreater() &&
(c_DwmInstance = System::RmLoadLibrary(L"dwmapi.dll")) != nullptr)
{
c_DwmInstance = System::RmLoadLibrary(L"dwmapi.dll");
if (c_DwmInstance)
{
c_DwmEnableBlurBehindWindow = (FPDWMENABLEBLURBEHINDWINDOW)GetProcAddress(c_DwmInstance, "DwmEnableBlurBehindWindow");
c_DwmGetColorizationColor = (FPDWMGETCOLORIZATIONCOLOR)GetProcAddress(c_DwmInstance, "DwmGetColorizationColor");
c_DwmSetWindowAttribute = (FPDWMSETWINDOWATTRIBUTE)GetProcAddress(c_DwmInstance, "DwmSetWindowAttribute");
c_DwmIsCompositionEnabled = (FPDWMISCOMPOSITIONENABLED)GetProcAddress(c_DwmInstance, "DwmIsCompositionEnabled");
}
c_DwmEnableBlurBehindWindow =
(decltype(c_DwmEnableBlurBehindWindow))GetProcAddress(c_DwmInstance, "DwmEnableBlurBehindWindow");
c_DwmGetColorizationColor =
(decltype(c_DwmGetColorizationColor))GetProcAddress(c_DwmInstance, "DwmGetColorizationColor");
c_DwmSetWindowAttribute =
(decltype(c_DwmSetWindowAttribute))GetProcAddress(c_DwmInstance, "DwmSetWindowAttribute");
c_DwmIsCompositionEnabled =
(decltype(c_DwmIsCompositionEnabled))GetProcAddress(c_DwmInstance, "DwmIsCompositionEnabled");
}
if (c_InstanceCount == 0)

13
Library/MeterWindow.h
View File

@@ -40,11 +40,6 @@
#define RI_MOUSE_HORIZONTAL_WHEEL 0x0800
typedef HRESULT (WINAPI * FPDWMENABLEBLURBEHINDWINDOW)(HWND hWnd, const DWM_BLURBEHIND* pBlurBehind);
typedef HRESULT (WINAPI * FPDWMGETCOLORIZATIONCOLOR)(DWORD* pcrColorization, BOOL* pfOpaqueBlend);
typedef HRESULT (WINAPI * FPDWMSETWINDOWATTRIBUTE)(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
typedef HRESULT (WINAPI * FPDWMISCOMPOSITIONENABLED)(BOOL* pfEnabled);
enum BUTTONPROC
{
BUTTONPROC_DOWN,
@@ -433,10 +428,10 @@ private:
static HINSTANCE c_DwmInstance;
static FPDWMENABLEBLURBEHINDWINDOW c_DwmEnableBlurBehindWindow;
static FPDWMGETCOLORIZATIONCOLOR c_DwmGetColorizationColor;
static FPDWMSETWINDOWATTRIBUTE c_DwmSetWindowAttribute;
static FPDWMISCOMPOSITIONENABLED c_DwmIsCompositionEnabled;
static decltype(DwmEnableBlurBehindWindow)* c_DwmEnableBlurBehindWindow;
static decltype(DwmGetColorizationColor)* c_DwmGetColorizationColor;
static decltype(DwmSetWindowAttribute)* c_DwmSetWindowAttribute;
static decltype(DwmIsCompositionEnabled)* c_DwmIsCompositionEnabled;
};
#endif

23
Library/System.cpp
View File

@@ -1000,12 +1000,12 @@ LRESULT CALLBACK System::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPa
*/
ULONGLONG System::GetTickCount64()
{
typedef ULONGLONG (WINAPI * FPGETTICKCOUNT64)();
static FPGETTICKCOUNT64 c_GetTickCount64 = (FPGETTICKCOUNT64)GetProcAddress(GetModuleHandle(L"kernel32"), "GetTickCount64");
static auto s_GetTickCount64 =
(decltype(GetTickCount64)*)GetProcAddress(GetModuleHandle(L"kernel32"), "GetTickCount64");
if (c_GetTickCount64)
if (s_GetTickCount64)
{
return c_GetTickCount64();
return s_GetTickCount64();
}
else
{
@@ -1089,19 +1089,16 @@ void System::ResetWorkingDirectory()
*/
void System::InitializeCriticalSection(LPCRITICAL_SECTION lpCriticalSection)
{
typedef BOOL (WINAPI * FPINITCRITEX)(LPCRITICAL_SECTION lpCriticalSection, DWORD dwSpinCount, DWORD Flags);
static FPINITCRITEX InitializeCriticalSectionEx = IsWindowsVistaOrGreater() ?
(FPINITCRITEX)GetProcAddress(GetModuleHandle(L"Kernel32"), "InitializeCriticalSectionEx") : nullptr;
static auto s_InitializeCriticalSectionEx = IsWindowsVistaOrGreater() ?
(decltype(InitializeCriticalSectionEx)*)GetProcAddress(GetModuleHandle(L"kernel32"), "InitializeCriticalSectionEx") : nullptr;
if (InitializeCriticalSectionEx)
if (s_InitializeCriticalSectionEx &&
s_InitializeCriticalSectionEx(lpCriticalSection, 0, CRITICAL_SECTION_NO_DEBUG_INFO))
{
if (InitializeCriticalSectionEx(lpCriticalSection, 0, CRITICAL_SECTION_NO_DEBUG_INFO))
{
return;
}
return;
}
::InitializeCriticalSectionAndSpinCount(lpCriticalSection, 0);
InitializeCriticalSectionAndSpinCount(lpCriticalSection, 0);
}
/*